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Why is steel construction the preferred choice for large-span spatial structures?

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When gazing upon grand stadiums , airport terminals, or exhibition centers, we are often awestruck by their vast spaces. Behind such large-span structures lies a nearly universal choice—steel construction. This is no coincidence, but stems from steel's unparalleled engineering advantages. stadium High Strength, Lightweight: Pushing Boundaries Beyond Limits The core advantage of steel lies in its perfect blend of exceptional strength and lightweight properties. Compared to concrete, steel boasts an outstanding strength-to-weight ratio. This means that for buildings requiring vast column-free spaces, steel structures can achieve greater spans with smaller member cross-sections, significantly reducing the building's self-weight. Consequently, foundation requirements are lowered, enabling the ultimate liberation of space in a cost-effective manner. Exceptional Performance, Conquering Complex Challenges Steel's outstanding toughness and ductility enable it to better withstand dy...
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Steel Structure Welding Technology

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 Steel Structure Welding Technology

Steel structure welding technology is the process of joining two or more metallic parts by heating and melting the surfaces to create a fusion between them. The welding process is widely used in the construction of steel structures such as bridges, buildings, and other infrastructure projects.

 

Steel Structure Welding Technology

Welding Techniques for Steel Structures

There are several welding techniques that are commonly used in the construction of steel structures. These techniques include:

 

Shielded Metal Arc Welding (SMAW)

Shielded metal arc welding, also known as stick welding, is a manual welding process that uses a consumable electrode coated in flux to create an electric arc between the electrode and the workpiece. The heat generated by the arc melts the workpiece and the electrode, creating a molten pool that cools to form a weld.

 

Gas Metal Arc Welding (GMAW)

Gas metal arc welding, also known as MIG welding, is a semi-automatic welding process that uses a wire electrode and an inert gas, such as argon or helium, to shield the weld from atmospheric contamination. The wire is fed through a welding gun and melted by an electric arc, creating a molten pool that cools to form a weld.

 

Flux-Cored Arc Welding (FCAW)

Flux-cored arc welding is a semi-automatic welding process that uses a tubular wire electrode with a flux core to shield the weld from atmospheric contamination. The wire is fed through a welding gun and melted by an electric arc, creating a molten pool that cools to form a weld.

 

Gas Tungsten Arc Welding (GTAW)

Gas tungsten arc welding, also known as TIG welding, is a manual welding process that uses a non-consumable tungsten electrode and an inert gas, such as argon or helium, to shield the weld from atmospheric contamination. The heat generated by the electric arc melts the workpiece, creating a molten pool that cools to form a weld.

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What is the difference between a single-layer reticulated shell and a double-layerreticulated shell?

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Suspension structures

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